<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
/* 取消表单轮廓 */
input, textarea{
    outline:none;
}
textarea {
   resize: none;
}
</style>
<body>
    <input type="text">
    <textarea name="00" id="11"  cols="30" rows="10"></textarea>
</body>
</html>